supporting clang memory management annotations

[wxWidgets.git] / include / wx / object.h

diff --git a/include/wx/object.h b/include/wx/object.h
index 1a2a2c8038de3915f03c6d27e71196ff3858124d..cb9d8f8c98ff700ce587223aae669ae5fb4ebc5c 100644 (file)
--- a/include/wx/object.h
+++ b/include/wx/object.h
@@ -13,190 +13,55 @@
 #ifndef _WX_OBJECTH__
 #define _WX_OBJECTH__
 
 #ifndef _WX_OBJECTH__
 #define _WX_OBJECTH__
 

-#if defined(__GNUG__) && !defined(__APPLE__)
-#pragma interface "object.h"
-#endif
-

 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 

-#include "wx/defs.h"

 #include "wx/memory.h"
 
 #include "wx/memory.h"
 

-class WXDLLIMPEXP_BASE wxObject;
-
-#if wxUSE_DYNAMIC_CLASSES
-
-// ----------------------------------------------------------------------------
-// conditional compilation
-// ----------------------------------------------------------------------------
-
-// this shouldn't be needed any longer as <wx/msw/private.h> does it but it
-// doesn't hurt neither
-#ifdef GetClassName
-#undef GetClassName
-#endif
-#ifdef GetClassInfo
-#undef GetClassInfo
-#endif
-
-class WXDLLIMPEXP_BASE wxClassInfo;
-class WXDLLIMPEXP_BASE wxHashTable;
-class WXDLLIMPEXP_BASE wxObjectRefData;
-
-// ----------------------------------------------------------------------------
-// wxClassInfo
-// ----------------------------------------------------------------------------
-
-typedef wxObject *(*wxObjectConstructorFn)(void);
-
-class WXDLLIMPEXP_BASE wxClassInfo
-{
-public:
-    wxClassInfo( const wxChar *className,
-                 const wxChar *baseName1,
-                 const wxChar *baseName2,
-                 int size,
-                 wxObjectConstructorFn ctor )
-        : m_className(className)
-        , m_baseClassName1(baseName1)
-        , m_baseClassName2(baseName2)
-        , m_objectSize(size)
-        , m_objectConstructor(ctor)
-        , m_baseInfo1(0)
-        , m_baseInfo2(0)
-        , m_next(sm_first)
-        { sm_first = this; }
-
-    ~wxClassInfo();
-
-    wxObject *CreateObject() { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
-
-    const wxChar       *GetClassName() const { return m_className; }
-    const wxChar       *GetBaseClassName1() const { return m_baseClassName1; }
-    const wxChar       *GetBaseClassName2() const { return m_baseClassName2; }
-    const wxClassInfo  *GetBaseClass1() const { return m_baseInfo1; }
-    const wxClassInfo  *GetBaseClass2() const { return m_baseInfo2; }
-    int                 GetSize() const { return m_objectSize; }
-
-    wxObjectConstructorFn      GetConstructor() const { return m_objectConstructor; }
-    static const wxClassInfo  *GetFirst() { return sm_first; }
-    const wxClassInfo         *GetNext() const { return m_next; }
-    static wxClassInfo        *FindClass(const wxChar *className);
-
-        // Climb upwards through inheritance hierarchy.
-        // Dual inheritance is catered for.
-
-    bool IsKindOf(const wxClassInfo *info) const
-    {
-        return info != 0 &&
-               ( info == this ||
-                 ( m_baseInfo1 && m_baseInfo1->IsKindOf(info) ) ||
-                 ( m_baseInfo2 && m_baseInfo2->IsKindOf(info) ) );
-    }
-
-        // Initializes parent pointers and hash table for fast searching.
-
-    static void     InitializeClasses();
-
-        // Cleans up hash table used for fast searching.
-
-    static void     CleanUpClasses();
-
-public:
-    const wxChar            *m_className;
-    const wxChar            *m_baseClassName1;
-    const wxChar            *m_baseClassName2;
-    int                      m_objectSize;
-    wxObjectConstructorFn    m_objectConstructor;
-
-        // Pointers to base wxClassInfos: set in InitializeClasses
-
-    const wxClassInfo       *m_baseInfo1;
-    const wxClassInfo       *m_baseInfo2;
-
-        // class info object live in a linked list:
-        // pointers to its head and the next element in it
-
-    static wxClassInfo      *sm_first;
-    wxClassInfo             *m_next;
-
-    // FIXME: this should be private (currently used directly by way too
-    //        many clients)
-    static wxHashTable      *sm_classTable;
-
-private:
-    // InitializeClasses() helper
-    static wxClassInfo *GetBaseByName(const wxChar *name);
-
-    DECLARE_NO_COPY_CLASS(wxClassInfo)
-};
-
-WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name);
-
-// ----------------------------------------------------------------------------
-// Dynamic class macros
-// ----------------------------------------------------------------------------
-
-#define DECLARE_DYNAMIC_CLASS(name)           \
- public:                                      \
-  static wxClassInfo sm_class##name;          \
-  virtual wxClassInfo *GetClassInfo() const   \
-   { return &name::sm_class##name; }
-
-#define DECLARE_DYNAMIC_CLASS_NO_ASSIGN(name)   \
-    DECLARE_NO_ASSIGN_CLASS(name)               \
-    DECLARE_DYNAMIC_CLASS(name)
-
-#define DECLARE_DYNAMIC_CLASS_NO_COPY(name)   \
-    DECLARE_NO_COPY_CLASS(name)               \
-    DECLARE_DYNAMIC_CLASS(name)
-
-#define DECLARE_ABSTRACT_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
-#define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
-
-// -----------------------------------
-// for concrete classes
-// -----------------------------------
-
-    // Single inheritance with one base class
-
-#define IMPLEMENT_DYNAMIC_CLASS(name, basename)                 \
- wxObject* wxConstructorFor##name()                             \
-  { return new name; }                                          \
- wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename),   \
-            0, (int) sizeof(name),                              \
-            (wxObjectConstructorFn) wxConstructorFor##name);
-
-    // Multiple inheritance with two base classes
-
-#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2)    \
- wxObject* wxConstructorFor##name()                             \
-  { return new name; }                                          \
- wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename1),  \
-            wxT(#basename2), (int) sizeof(name),                \
-            (wxObjectConstructorFn) wxConstructorFor##name);
-
-// -----------------------------------
-// for abstract classes
-// -----------------------------------
-
-    // Single inheritance with one base class
-
-#define IMPLEMENT_ABSTRACT_CLASS(name, basename)                \
- wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename),   \
-            0, (int) sizeof(name), (wxObjectConstructorFn) 0);
-
-    // Multiple inheritance with two base classes
-
-#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)   \
- wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename1),  \
-            wxT(#basename2), (int) sizeof(name),                \
-            (wxObjectConstructorFn) 0);
-
-#define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
-#define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
+#define wxDECLARE_CLASS_INFO_ITERATORS()                                     \
+class WXDLLIMPEXP_BASE const_iterator                                    \
+    {                                                                        \
+    typedef wxHashTable_Node Node;                                       \
+    public:                                                                  \
+    typedef const wxClassInfo* value_type;                               \
+    typedef const value_type& const_reference;                           \
+    typedef const_iterator itor;                                         \
+    typedef value_type* ptr_type;                                        \
+    \
+    Node* m_node;                                                        \
+    wxHashTable* m_table;                                                \
+    public:                                                                  \
+    typedef const_reference reference_type;                              \
+    typedef ptr_type pointer_type;                                       \
+    \
+    const_iterator(Node* node, wxHashTable* table)                       \
+    : m_node(node), m_table(table) { }                               \
+    const_iterator() : m_node(NULL), m_table(NULL) { }                   \
+    value_type operator*() const;                                        \
+    itor& operator++();                                                  \
+    const itor operator++(int);                                          \
+    bool operator!=(const itor& it) const                                \
+            { return it.m_node != m_node; }                                  \
+            bool operator==(const itor& it) const                                \
+            { return it.m_node == m_node; }                                  \
+    };                                                                       \
+    \
+    static const_iterator begin_classinfo();                                 \
+    static const_iterator end_classinfo()
+
+// based on the value of wxUSE_EXTENDED_RTTI symbol,
+// only one of the RTTI system will be compiled:
+// - the "old" one (defined by rtti.h) or
+// - the "new" one (defined by xti.h)
+#include "wx/xti.h"
+#include "wx/rtti.h"
+
+#define wxIMPLEMENT_CLASS(name, basename)                                     \
+    wxIMPLEMENT_ABSTRACT_CLASS(name, basename)
+
+#define wxIMPLEMENT_CLASS2(name, basename1, basename2)                        \
+    wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)

 
 // -----------------------------------
 // for pluggable classes
 
 // -----------------------------------
 // for pluggable classes


@@ -218,7 +83,7 @@ public:                                         \
     name##PluginSentinel();                     \
     ~name##PluginSentinel();                    \
 };                                              \
     name##PluginSentinel();                     \
     ~name##PluginSentinel();                    \
 };                                              \

-name##PluginSentinel  m_pluginsentinel;
+name##PluginSentinel  m_pluginsentinel

 
 #define _IMPLEMENT_DL_SENTINEL(name)                                \
  const wxString name::name##PluginSentinel::sm_className(#name);    \
 
 #define _IMPLEMENT_DL_SENTINEL(name)                                \
  const wxString name::name##PluginSentinel::sm_className(#name);    \


@@ -237,101 +102,67 @@ name##PluginSentinel  m_pluginsentinel;
 
 #endif  // wxUSE_NESTED_CLASSES
 
 
 #endif  // wxUSE_NESTED_CLASSES
 

-#define DECLARE_PLUGGABLE_CLASS(name) \
- DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
-#define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name)  \
- DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
-
-#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \
- DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
-#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo)  \
- DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
-
-#define IMPLEMENT_PLUGGABLE_CLASS(name, basename) \
- IMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
-#define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
- IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
-#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
- IMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
-#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
- IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
-
-#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \
- IMPLEMENT_PLUGGABLE_CLASS(name, basename)
-#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2)  \
- IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
-#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
- IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
-#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
- IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
-
-
-#define CLASSINFO(name) (&name::sm_class##name)
-
-#else // !wxUSE_DYNAMIC_CLASSES
-
-    // No dynamic class system: so stub out the macros
-
-#define DECLARE_DYNAMIC_CLASS(name)
-#define DECLARE_ABSTRACT_CLASS(name)
-#define DECLARE_CLASS(name)
-#define IMPLEMENT_DYNAMIC_CLASS(name, basename)
-#define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2)
-#define IMPLEMENT_ABSTRACT_CLASS(name, basename)
-#define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)
-#define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
-#define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
-
-#define DECLARE_PLUGGABLE_CLASS(name)
-#define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name)
-#define IMPLEMENT_PLUGGABLE_CLASS(name, basename)
-#define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
-#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
-#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
-
-#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo)
-#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo)
-#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename)
-#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2)
-#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename)
-#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
-
-#endif // wxUSE_DYNAMIC_CLASSES
-
-
-#define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::sm_class##className)
+#define wxDECLARE_PLUGGABLE_CLASS(name) \
+ wxDECLARE_DYNAMIC_CLASS(name); _DECLARE_DL_SENTINEL(name, WXDLLIMPEXP_CORE)
+#define wxDECLARE_ABSTRACT_PLUGGABLE_CLASS(name)  \
+ wxDECLARE_ABSTRACT_CLASS(name); _DECLARE_DL_SENTINEL(name, WXDLLIMPEXP_CORE)
+
+#define wxDECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \
+ wxDECLARE_DYNAMIC_CLASS(name); _DECLARE_DL_SENTINEL(name, usergoo)
+#define wxDECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo)  \
+ wxDECLARE_ABSTRACT_CLASS(name); _DECLARE_DL_SENTINEL(name, usergoo)
+
+#define wxIMPLEMENT_PLUGGABLE_CLASS(name, basename) \
+ wxIMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
+#define wxIMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
+ wxIMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
+#define wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
+ wxIMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
+#define wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
+ wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
+
+#define wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \
+ wxIMPLEMENT_PLUGGABLE_CLASS(name, basename)
+#define wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2)  \
+ wxIMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
+#define wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
+ wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
+#define wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
+ wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
+
+#define wxCLASSINFO(name) (&name::ms_classInfo)
+
+#define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::ms_classInfo)

 
 // Just seems a bit nicer-looking (pretend it's not a macro)
 
 // Just seems a bit nicer-looking (pretend it's not a macro)

-#define wxIsKindOf(obj, className) obj->IsKindOf(&className::sm_class##className)
+#define wxIsKindOf(obj, className) obj->IsKindOf(&className::ms_classInfo)

 
 

-// to be replaced by dynamic_cast<> in the future
+// this cast does some more checks at compile time as it uses static_cast
+// internally
+//
+// note that it still has different semantics from dynamic_cast<> and so can't
+// be replaced by it as long as there are any compilers not supporting it

 #define wxDynamicCast(obj, className) \
 #define wxDynamicCast(obj, className) \

- ((className *) wxCheckDynamicCast((wxObject*)(obj), &className::sm_class##className))
+    ((className *) wxCheckDynamicCast( \
+        const_cast<wxObject *>(static_cast<const wxObject *>(\
+          const_cast<className *>(static_cast<const className *>(obj)))), \
+        &className::ms_classInfo))

 
 // The 'this' pointer is always true, so use this version
 // to cast the this pointer and avoid compiler warnings.
 #define wxDynamicCastThis(className) \
 
 // The 'this' pointer is always true, so use this version
 // to cast the this pointer and avoid compiler warnings.
 #define wxDynamicCastThis(className) \

- (IsKindOf(&className::sm_class##className) ? (className *)(this) : (className *)0)
-
-#ifdef HAVE_CONST_CAST
-#define wxConstCast(obj, className) const_cast<className *>(obj)
-#else
-#define wxConstCast(obj, className) ((className *)(obj))
-#endif
+     (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0)

 
 

-
-#ifdef __WXDEBUG__
-inline void wxCheckCast(void *ptr)
+// FIXME-VC6: dummy argument needed because VC6 doesn't support explicitly
+//            choosing the template function to call
+template <class T>
+inline T *wxCheckCast(const void *ptr, T * = NULL)

 {
 {

-    wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") );
+    wxASSERT_MSG( wxDynamicCast(ptr, T), "wxStaticCast() used incorrectly" );
+    return const_cast<T *>(static_cast<const T *>(ptr));

 }
 }

-#define wxStaticCast(obj, className) \
- (wxCheckCast(wxDynamicCast(obj, className)), ((className *)(obj)))
-
-#else  // !__WXDEBUG__
-#define wxStaticCast(obj, className) ((className *)(obj))

 
 

-#endif  // __WXDEBUG__
+#define wxStaticCast(obj, className) wxCheckCast((obj), (className *)NULL)

 
 // ----------------------------------------------------------------------------
 // set up memory debugging macros
 
 // ----------------------------------------------------------------------------
 // set up memory debugging macros


@@ -349,7 +180,7 @@ inline void wxCheckCast(void *ptr)
     _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT     = void operator delete[] (void* buf, wxChar*, int )
 */
 
     _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT     = void operator delete[] (void* buf, wxChar*, int )
 */
 

-#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
+#if wxUSE_MEMORY_TRACING

 
 // All compilers get this one
 #define _WX_WANT_NEW_SIZET_WXCHAR_INT
 
 // All compilers get this one
 #define _WX_WANT_NEW_SIZET_WXCHAR_INT


@@ -364,8 +195,8 @@ inline void wxCheckCast(void *ptr)
     #define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
 #endif
 
     #define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
 #endif
 

-// Only VC++ 6.0 and CodeWarrior compilers get overloaded delete that matches new
-#if ( defined(__VISUALC__) && (__VISUALC__ >= 1200) ) || (defined(__MWERKS__) && (__MWERKS__ >= 0x2400))
+// Only VC++ 6 gets overloaded delete that matches new
+#if (defined(__VISUALC__) && (__VISUALC__ >= 1200))

     #define _WX_WANT_DELETE_VOID_WXCHAR_INT
 #endif
 
     #define _WX_WANT_DELETE_VOID_WXCHAR_INT
 #endif
 


@@ -381,52 +212,172 @@ inline void wxCheckCast(void *ptr)
     #if !defined(__VISUALC__)
         #define _WX_WANT_ARRAY_DELETE_VOID
     #endif
     #if !defined(__VISUALC__)
         #define _WX_WANT_ARRAY_DELETE_VOID
     #endif

+#endif // wxUSE_ARRAY_MEMORY_OPERATORS

 
 

-    // Only CodeWarrior 6 or higher
-    #if defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
-        #define _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
-    #endif
+#endif // wxUSE_MEMORY_TRACING

 
 

-#endif // wxUSE_ARRAY_MEMORY_OPERATORS
+// ----------------------------------------------------------------------------
+// Compatibility macro aliases DECLARE group
+// ----------------------------------------------------------------------------
+// deprecated variants _not_ requiring a semicolon after them and without wx prefix.
+// (note that also some wx-prefixed macro do _not_ require a semicolon because
+//  it's not always possible to force the compire to require it)
+
+#define DECLARE_CLASS_INFO_ITERATORS()                              wxDECLARE_CLASS_INFO_ITERATORS();
+#define DECLARE_ABSTRACT_CLASS(n)                                   wxDECLARE_ABSTRACT_CLASS(n);
+#define DECLARE_DYNAMIC_CLASS_NO_ASSIGN(n)                          wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(n);
+#define DECLARE_DYNAMIC_CLASS_NO_COPY(n)                            wxDECLARE_DYNAMIC_CLASS_NO_COPY(n);
+#define DECLARE_DYNAMIC_CLASS(n)                                    wxDECLARE_DYNAMIC_CLASS(n);
+#define DECLARE_CLASS(n)                                            wxDECLARE_CLASS(n);
+
+#define DECLARE_PLUGGABLE_CLASS(n)                                  wxDECLARE_PLUGGABLE_CLASS(n);
+#define DECLARE_ABSTRACT_PLUGGABLE_CLASS(n)                         wxDECLARE_ABSTRACT_PLUGGABLE_CLASS(n);
+#define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(n,u)                  wxDECLARE_USER_EXPORTED_PLUGGABLE_CLASS(n,u);
+#define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,u)         wxDECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,u);

 
 

-#endif // WXDEBUG && wxUSE_MEMORY_TRACING
+// ----------------------------------------------------------------------------
+// wxRefCounter: ref counted data "manager"
+// ----------------------------------------------------------------------------

 
 

-#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
-// needed by wxObject::Dump
-#include "wx/iosfwrap.h"
-#endif
+class WXDLLIMPEXP_BASE wxRefCounter
+{
+public:
+    wxRefCounter() { m_count = 1; }
+
+    int GetRefCount() const { return m_count; }
+
+    void IncRef() { m_count++; }
+    void DecRef();
+
+protected:
+    // this object should never be destroyed directly but only as a
+    // result of a DecRef() call:
+    virtual ~wxRefCounter() { }
+
+private:
+    // our refcount:
+    int m_count;
+
+    // It doesn't make sense to copy the reference counted objects, a new ref
+    // counter should be created for a new object instead and compilation
+    // errors in the code using wxRefCounter due to the lack of copy ctor often
+    // indicate a problem, e.g. a forgotten copy ctor implementation somewhere.
+    wxDECLARE_NO_COPY_CLASS(wxRefCounter);
+};

 
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------

-// wxObject: the root class of wxWindows object hierarchy
+// wxObjectRefData: ref counted data meant to be stored in wxObject

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-class WXDLLIMPEXP_BASE wxObject
+typedef wxRefCounter wxObjectRefData;
+
+// ----------------------------------------------------------------------------
+// wxObjectDataPtr: helper class to avoid memleaks because of missing calls
+//                  to wxObjectRefData::DecRef
+// ----------------------------------------------------------------------------
+
+template <class T>
+class wxObjectDataPtr

 {
 {

-    DECLARE_ABSTRACT_CLASS(wxObject)
+public:
+    typedef T element_type;
+
+    wxEXPLICIT wxObjectDataPtr(T *ptr = NULL) : m_ptr(ptr) {}
+
+    // copy ctor
+    wxObjectDataPtr(const wxObjectDataPtr<T> &tocopy)
+        : m_ptr(tocopy.m_ptr)
+    {
+        if (m_ptr)
+            m_ptr->IncRef();
+    }
+
+    ~wxObjectDataPtr()
+    {
+        if (m_ptr)
+            m_ptr->DecRef();
+    }
+
+    T *get() const { return m_ptr; }
+
+    // test for pointer validity: defining conversion to unspecified_bool_type
+    // and not more obvious bool to avoid implicit conversions to integer types
+    typedef T *(wxObjectDataPtr<T>::*unspecified_bool_type)() const;
+    operator unspecified_bool_type() const
+    {
+        return m_ptr ? &wxObjectDataPtr<T>::get : NULL;
+    }
+
+    T& operator*() const
+    {
+        wxASSERT(m_ptr != NULL);
+        return *(m_ptr);
+    }
+
+    T *operator->() const
+    {
+        wxASSERT(m_ptr != NULL);
+        return get();
+    }
+
+    void reset(T *ptr)
+    {
+        if (m_ptr)
+            m_ptr->DecRef();
+        m_ptr = ptr;
+    }
+
+    wxObjectDataPtr& operator=(const wxObjectDataPtr &tocopy)
+    {
+        if (m_ptr)
+            m_ptr->DecRef();
+        m_ptr = tocopy.m_ptr;
+        if (m_ptr)
+            m_ptr->IncRef();
+        return *this;
+    }
+
+    wxObjectDataPtr& operator=(T *ptr)
+    {
+        if (m_ptr)
+            m_ptr->DecRef();
+        m_ptr = ptr;
+        return *this;
+    }

 
 private:
 
 private:

-    void InitFrom(const wxObject& other);
-    
+    T *m_ptr;
+};
+
+// ----------------------------------------------------------------------------
+// wxObject: the root class of wxWidgets object hierarchy
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxObject
+{
+    wxDECLARE_ABSTRACT_CLASS(wxObject);
+

 public:
     wxObject() { m_refData = NULL; }
     virtual ~wxObject() { UnRef(); }
 public:
     wxObject() { m_refData = NULL; }
     virtual ~wxObject() { UnRef(); }

-    
+

     wxObject(const wxObject& other)
     wxObject(const wxObject& other)

-        {
-            InitFrom(other);
-        }
-    
+    {
+         m_refData = other.m_refData;
+         if (m_refData)
+             m_refData->IncRef();
+    }
+

     wxObject& operator=(const wxObject& other)
     {
         if ( this != &other )
         {
     wxObject& operator=(const wxObject& other)
     {
         if ( this != &other )
         {

-            UnRef();
-            InitFrom(other);
+            Ref(other);

         }
         return *this;
     }
 
         }
         return *this;
     }
 

-    bool IsKindOf(wxClassInfo *info) const;
+    bool IsKindOf(const wxClassInfo *info) const;

 
 
     // Turn on the correct set of new and delete operators
 
 
     // Turn on the correct set of new and delete operators


@@ -459,11 +410,6 @@ public:
     void operator delete[] (void* buf, const wxChar*, int );
 #endif
 
     void operator delete[] (void* buf, const wxChar*, int );
 #endif
 

-
-#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
-    virtual void Dump(wxSTD ostream& str);
-#endif
-

     // ref counted data handling methods
 
     // get/set
     // ref counted data handling methods
 
     // get/set


@@ -476,14 +422,20 @@ public:
     // destroy a reference
     void UnRef();
 
     // destroy a reference
     void UnRef();
 

+    // Make sure this object has only one reference
+    void UnShare() { AllocExclusive(); }
+
+    // check if this object references the same data as the other one
+    bool IsSameAs(const wxObject& o) const { return m_refData == o.m_refData; }
+

 protected:
     // ensure that our data is not shared with anybody else: if we have no
     // data, it is created using CreateRefData() below, if we have shared data
     // it is copied using CloneRefData(), otherwise nothing is done
     void AllocExclusive();
 
 protected:
     // ensure that our data is not shared with anybody else: if we have no
     // data, it is created using CreateRefData() below, if we have shared data
     // it is copied using CloneRefData(), otherwise nothing is done
     void AllocExclusive();
 

-    // both methods must be implemented if Unshare() is used, not pure virtual
-    // only because of the backwards compatibility reasons
+    // both methods must be implemented if AllocExclusive() is used, not pure
+    // virtual only because of the backwards compatibility reasons

 
     // create a new m_refData
     virtual wxObjectRefData *CreateRefData() const;
 
     // create a new m_refData
     virtual wxObjectRefData *CreateRefData() const;


@@ -494,49 +446,53 @@ protected:
     wxObjectRefData *m_refData;
 };
 
     wxObjectRefData *m_refData;
 };
 

-// ----------------------------------------------------------------------------
-// wxObjectRefData: ref counted data meant to be stored in wxObject
-// ----------------------------------------------------------------------------
-
-class WXDLLIMPEXP_BASE wxObjectRefData
-{
-    friend class WXDLLIMPEXP_BASE wxObject;
-
-public:
-    wxObjectRefData() : m_count(1) { }
-    virtual ~wxObjectRefData() { }
-
-    int GetRefCount() const { return m_count; }
-
-private:
-    int m_count;
-};
-
-

 inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo)
 {
     return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL;
 }
 
 inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo)
 {
     return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL;
 }
 

+#include "wx/xti2.h"
+

 // ----------------------------------------------------------------------------
 // more debugging macros
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // more debugging macros
 // ----------------------------------------------------------------------------
 

-#ifdef __WXDEBUG__
-    #ifndef WXDEBUG_NEW
-        #define WXDEBUG_NEW new(__TFILE__,__LINE__)
-    #endif
-#else // !__WXDEBUG__
-    #define WXDEBUG_NEW new
-#endif
-
-// Redefine new to be the debugging version. This doesn't work with all
-// compilers, in which case you need to use WXDEBUG_NEW explicitly if you wish
-// to use the debugging version.
+#if wxUSE_DEBUG_NEW_ALWAYS
+    #define WXDEBUG_NEW new(__TFILE__,__LINE__)

 
 

-#if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
-    #define new new(__TFILE__,__LINE__)
-#endif
+    #if wxUSE_GLOBAL_MEMORY_OPERATORS
+        #define new WXDEBUG_NEW
+    #elif defined(__VISUALC__)
+        // Including this file redefines new and allows leak reports to
+        // contain line numbers
+        #include "wx/msw/msvcrt.h"
+    #endif
+#endif // wxUSE_DEBUG_NEW_ALWAYS

 
 

-#endif  // _WX_OBJECTH__
+// ----------------------------------------------------------------------------
+// Compatibility macro aliases IMPLEMENT group
+// ----------------------------------------------------------------------------

 
 

+// deprecated variants _not_ requiring a semicolon after them and without wx prefix.
+// (note that also some wx-prefixed macro do _not_ require a semicolon because
+//  it's not always possible to force the compire to require it)
+
+#define IMPLEMENT_DYNAMIC_CLASS(n,b)                                wxIMPLEMENT_DYNAMIC_CLASS(n,b)
+#define IMPLEMENT_DYNAMIC_CLASS2(n,b1,b2)                           wxIMPLEMENT_DYNAMIC_CLASS2(n,b1,b2)
+#define IMPLEMENT_ABSTRACT_CLASS(n,b)                               wxIMPLEMENT_ABSTRACT_CLASS(n,b)
+#define IMPLEMENT_ABSTRACT_CLASS2(n,b1,b2)                          wxIMPLEMENT_ABSTRACT_CLASS2(n,b1,b2)
+#define IMPLEMENT_CLASS(n,b)                                        wxIMPLEMENT_CLASS(n,b)
+#define IMPLEMENT_CLASS2(n,b1,b2)                                   wxIMPLEMENT_CLASS2(n,b1,b2)
+
+#define IMPLEMENT_PLUGGABLE_CLASS(n,b)                              wxIMPLEMENT_PLUGGABLE_CLASS(n,b)
+#define IMPLEMENT_PLUGGABLE_CLASS2(n,b,b2)                          wxIMPLEMENT_PLUGGABLE_CLASS2(n,b,b2)
+#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(n,b)                     wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(n,b)
+#define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2)                 wxIMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2)
+#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(n,b)                wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(n,b)
+#define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(n,b,b2)            wxIMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(n,b,b2)
+#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,b)       wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(n,b)
+#define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2)   wxIMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(n,b,b2)
+
+#define CLASSINFO(n)                                wxCLASSINFO(n)
+
+#endif // _WX_OBJECTH__